Flagstaff, AZ ZIP Codes
Flagstaff, Arizona has 6 ZIP codes: 3 for street addresses (, and ), 2 for PO boxes ( and ) and 1 for a single organization.
Your street decides which one you use.
Which Flagstaff ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Flagstaff ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
86002, 86003 and 86011 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Flagstaff city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Flagstaff ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 86001 | street delivery Flagstaff |
| 86002 | PO boxes at the Downtown Flagstaff post office Downtown Flagstaff |
| 86003 | PO boxes at the Flagstaff post office Flagstaff |
| 86004 | street delivery Flagstaff |
| 86005 | street delivery Flagstaff |
| 86011 | one organization Flagstaff |
Why your mail may say Flagstaff when you live outside it
Flagstaff ZIP codes also cover Fort Valley, Doney Park and Mountainaire, so a letter addressed to Flagstaff can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Coconino County property records show which city you are in.
Flagstaff ZIP code questions
What is the main ZIP code for Flagstaff?
86001, the ZIP code of the main Flagstaff post office at 2400 N Postal Blvd.
Which Flagstaff ZIP codes are for PO boxes only?
86002 and 86003. Mail to them goes to boxes at the post office, not to street addresses.
What county is Flagstaff in?
Coconino County.
ZIP codes for towns near Flagstaff
More towns near Flagstaff: Surprise, El Mirage, Glendale, Mesa, Apache Junction, Tempe, Gilbert, Chandler, Queen Creek.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections